@article {5129, title = {Air quality visibly improved in Great Smoky Mountains}, volume = {2013}, number = {April 3}, year = {2013}, note = {Video, Illustrations}, month = {March 8, 2013}, publisher = {WBIR}, address = {Knoxville, TN}, keywords = {Air pollution, Air quality, Visibility}, url = {http://www.wbir.com/news/article/258451/2/Air-quality-visibly-improved-in-Smokies}, author = {Matheny, Jim} }